Packaging + shipping cost is only 5 Euro worldwide (flatrate).
Orders containing stocked products are sent out within 1-3 working days. An order that includes any customized products, like assembled v3.x controller typically takes 4..8 working days (fluctuates over the seasons.
V3 retest-repair-upgrade can take longer, several weeks).
Delivery method: DPD / USPS / TNT / EMS / Hungarian National Post and Logistics. After sending out, package typically arrives after 4-8 working days in EU (8-10 working days to USA destinations). EU companies must provide EU-VAT-ID in the order comment. Other customers might be obliged to pay custom-tax and VAT upon shipment (to their authorities, according to local import-laws).

Return policy
We only accept returns if

we ship the wrong items

or hardware fault, that was present at the time of shipping, can be proved,

Warranty is for the electronics only, not on any indirect damage on property or health.
Returns are only accepted if items are undamaged and unmodified. Returns are subject to a 15% restocking fee. We do not accept returns of
LSU4 (wideband oxygen sensor), injectors, fuelpump, chips, transistors (eg. FET / IGBT).
Reasons may include:

suitability concerns (for a particular purpose)

functional issues related to freely downloadable software (firmware)

We do NOT accept returns because of

Hardware problems caused by incorrect installations, such as - but not limited to